Earth
Types of Rocks
Rock Cycle
Lava and Magma
Provinces
100
Crust, Mantle, Outer core, Inner core
What are the 4 layers of the Earth?
100
They are Sedimentary Rock
What type of rock is conglomerate and limestone?
100
Sedimentary, Metamorphic, Igneous
What are 3 types of rocks in the Rock cycle?
100
Magma is inside the earth while lava is outside.
What is the difference between magma and lava?
100
Northern Quebec contains them.
Where is the oldest rocks located in Canada?
200
The Mantle and the outer core
What layers of the Earth are liquid?
200
Gneiss and Marble are two rocks that are that type of rock.
What are two rocks that are metamorphic?
200
Tons of rocks pressing down on rocks, heat is outer core heating the mantle so rocks near the outer core will melt.
What is heat and pressure?
200
Term to have been solidified from magma or lava?
What is the meaning of igneous?
200
4.28 million years old
How old are the rocks is Northern Quebec?
300
Outer core flows, inner core does not. The Outer core is liquid, and the inner core is a solid.
What is the difference of the inner and outer core?
300
It has a Glassy Surface.
What is a common feature of an extrusive igneous rock?
300
Compacting and cementing is sediments getting placed under pressure turning them into rocks.
What is compacting and cementing?
300
Intrusive and extrusive igneous rock are formed.
What is 2 types rocks that are created from cooling of magma?
300
Formed 300 million years after the earth has formed
When did the rocks from Hudson Bay form after the earth was born?
400
Clash of hot temperatures create them.
What is one way the convention currents are created?
400
Bubbles are trapped during the process of cooling of lava.
Why do some igneous rocks have bubbles?
400
Sedimentary rock is formed from the process.
What rock is formed when compacting and cementing is used on sediment?
400
Metamorphic rock is oifjojafoi
What type of rock turns into magma when melted?
400
Most of it has been mashed up and recycled into magma
Why is it rare to find samples of the early crust?
500
To allow scientist to see inside the earth to predict future earthquakes for safety circumstances.
What is the importance of seismology?
500
Extrusive is the cooling of lava turning into a rock, intrusive is the cooling of magma turning into a rock
What are intrusive and extrusive igneous?
500
Breaking down rocks bit by bit and water and wind breaking down the rock turning it into sediment
What is weathering and erosion?
500
Between 60-200 Km under the earth, then it would be hot enough.
How far enough below the Earth’s surface will the temperatures be hot enough to melt most rocks?
500
Carbon Dioxide might have stopped the young earth from freezing
What do the old rocks tell about earth’s climate?